Home / 14,655.37-20,215.43-11,970.49

Finding the Fourth Proportional to 14,655.37, 20,215.43 and 11,970.49

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Solution

The fourth proportional to 14,655.37, 20,215.43 and 11,970.49 is: 16,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.37 : 20,215.43 = 11,970.49 : x
  2. Step 2: Convert to fraction form
    14,655.37/20,215.43 = 11,970.49/x
  3. Step 3: Cross multiply
    14,655.37x = 20,215.43 × 11,970.49
  4. Step 4: Simplify right side
    14,655.37x = 241,988,542.81
  5. Step 5: Solve for x
    x = 241,988,542.81/14,655.37
  6. Step 6: Final answer
    x = 16,511.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.